>4r3dA (A:) observed residues (from ATOM records)
ltievlvtvdgvnfrtvvlnnkntyrsqlgcvffngadisdtipdekqnghslyladnlt
adetkalkelygpvdptflhrfyslkaavhkwkmvvcdkvrslklsdnncylnavimtld
llkdikfvipalqhafmkhkggdstdfialimaygnctfgapddasrllhtvlakaelcc
sarmvwrewcnvcgikdvvlqglkaccyvgvqtvedlrarmtyvcqcggerhrqivehtt
pwlllsgtpneklvttstapdfvafnvfqgghyvharlkgglilkfdsgtvsktsdwkck
vtdvlfpgqkyssdcnvvr